20165655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2551}}^1$

素因数の和:2607

約数の個数: 32

約数和(自身を含む): 35278848

約数和(自身を除く): 15113193

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2551, 2635, 7653, 7905, 12755, 38265, 43367, 79081, 130101, 216835, 237243, 395405, 650505, 1186215, 1344377, 4033131, 6721885, 20165655]

約数ペア:

[(1, 20165655), (3, 6721885), (5, 4033131), (15, 1344377), (17, 1186215), (31, 650505), (51, 395405), (85, 237243), (93, 216835), (155, 130101), (255, 79081), (465, 43367), (527, 38265), (1581, 12755), (2551, 7905), (2635, 7653)]